Bootstrap can be used as −
Mobile first approach − Since Bootstrap 3, the framework consists of Mobile first styles throughout the entire library instead of in separate files.
Browser Support − It is supported by all popular browsers.
Popular Browser
Easy to get started − With just the knowledge of HTML and CSS anyone can get started with Bootstrap. Also the Bootstrap official site has a good documentation.
Responsive design − Bootstrap's responsive CSS adjusts to Desktops,Tablets and Mobiles.
Provides a clean and uniform solution for building an interface for developers.
It contains beautiful and functional built-in components which are easy to customize.
It also provides web based customization.
And best of all it is an open source.
